diff --git a/.appmodconfig b/.appmodconfig
new file mode 100644
index 0000000..e69de29
diff --git a/Programs/P01_hello.py b/Programs/P01_hello.py
index 5754bc3..82c9b60 100644
--- a/Programs/P01_hello.py
+++ b/Programs/P01_hello.py
@@ -4,6 +4,13 @@
 def justPrint(text):
     '''This function prints the text passed as argument to this function'''
     print(text)
+    a=10
+    b=20
+    c=a+b
+    d=b-a
+    e=c+d
+    print(c,d,e)
 
 if __name__ == '__main__':
-    justPrint('Hello')
+    justPrint('Hello Sindhuja')
+    justPrint('Welcome to Python Programming')
\ No newline at end of file
diff --git a/Programs/login.py b/Programs/login.py
new file mode 100644
index 0000000..34ab7d2
--- /dev/null
+++ b/Programs/login.py
@@ -0,0 +1,32 @@
+class LoginSystem:
+    def __init__(self):
+        self.valid_email = "user@test.com"
+        self.valid_password = "Password@123"
+        self.failed_attempts = 0
+        self.locked = False
+
+    def login(self, email, password):
+        if self.locked:
+            return "Account is locked. Contact support."
+
+        if email == self.valid_email and password == self.valid_password:
+            self.failed_attempts = 0
+            return "Login Successful ✅"
+
+        else:
+            self.failed_attempts += 1
+
+            if self.failed_attempts >= 3:
+                self.locked = True
+                return "Account locked due to 3 failed attempts ❌"
+
+            return f"Invalid credentials. Attempts left: {3 - self.failed_attempts}"
+
+# ----- Testing the function -----
+
+app = LoginSystem()
+
+print(app.login("wrong@test.com", "123"))   # Test case 1
+print(app.login("wrong@test.com", "123"))   # Test case 2
+print(app.login("wrong@test.com", "123"))   # Test case 3 (locks account)
+print(app.login("user@test.com", "Password@123"))  # Should fail because account is locked